<?php

if(!defined('IN_JISHIGOU'))
{
exit('invalid request');
}
class imjiqiren_client_db {
var $querynum = 0;
var $link;
var $histories;
var $dbhost;
var $dbuser;
var $dbpw;
var $dbcharset;
var $pconnect;
var $tablepre;
var $time;
var $goneaway = 5;
function connect($dbhost,$dbuser,$dbpw,$dbname = '',$dbcharset = '',$pconnect = 0) {
$this->dbhost = $dbhost;
$this->dbuser = $dbuser;
$this->dbpw = $dbpw;
$this->dbname = $dbname;
$this->dbcharset = $dbcharset;
$this->pconnect = $pconnect;
if($pconnect) {
if(!($this->link = mysql_pconnect($dbhost,$dbuser,$dbpw))) {
$this->halt('Can not connect to MySQL server');
}
}else {
if(!($this->link = mysql_connect($dbhost,$dbuser,$dbpw))) {
$this->halt('Can not connect to MySQL server');
}
}
if($this->version() >'4.1') {
if($dbcharset) {
mysql_query("SET character_set_connection=".$dbcharset.", character_set_results=".$dbcharset.", character_set_client=binary",$this->link);
}
if($this->version() >'5.0.1') {
mysql_query("SET sql_mode=''",$this->link);
}
}
if($dbname) {
mysql_select_db($dbname,$this->link);
}
}
function fetch_array($query,$result_type = MYSQL_ASSOC) {
return mysql_fetch_array($query,$result_type);
}
function result_first($sql) {
$query = $this->query($sql);
return $this->result($query,0);
}
function fetch_first($sql) {
$query = $this->query($sql);
return $this->fetch_array($query);
}
function fetch_all($sql,$id = '') {
$arr = array();
$query = $this->query($sql);
while($data = $this->fetch_array($query)) {
$id ?$arr[$data[$id]] = $data : $arr[] = $data;
}
return $arr;
}
function query($sql,$type = '') {
$func = ($type == 'UNBUFFERED'&&@function_exists('mysql_unbuffered_query') ?'mysql_unbuffered_query': 'mysql_query');
if(!($query = $func($sql,$this->link)) &&$type != 'SILENT') {
$this->halt('MySQL Query Error',$sql);
}
$this->querynum++;
$this->histories[] = $sql;
return $query;
}
function affected_rows() {
return mysql_affected_rows($this->link);
}
function error() {
return (($this->link) ?mysql_error($this->link) : mysql_error());
}
function errno() {
return intval(($this->link) ?mysql_errno($this->link) : mysql_errno());
}
function result($query,$row) {
$query = @mysql_result($query,$row);
return $query;
}
function num_rows($query) {
$query = mysql_num_rows($query);
return $query;
}
function num_fields($query) {
return mysql_num_fields($query);
}
function free_result($query) {
return mysql_free_result($query);
}
function insert_id() {
return ($id = mysql_insert_id($this->link)) >= 0 ?$id : $this->result($this->query("SELECT last_insert_id()"),0);
}
function fetch_row($query) {
$query = mysql_fetch_row($query);
return $query;
}
function fetch_fields($query) {
return mysql_fetch_field($query);
}
function version() {
return mysql_get_server_info($this->link);
}
function close() {
return mysql_close($this->link);
}
function halt($message = '',$sql = '') {
$error = mysql_error();
$errorno = mysql_errno();
if($errorno == 2006 &&$this->goneaway-->0) {
$this->connect($this->dbhost,$this->dbuser,$this->dbpw,$this->dbname,$this->dbcharset,$this->pconnect);
$this->query($sql);
}else {
$s = '';
if($message) {
$s = "<b>ImJiqiren Info:</b> $message<br />";
}
if($sql) {
$s .= '<b>SQL:</b>'.htmlspecialchars($sql).'<br />';
}
$s .= '<b>Error:</b>'.$error.'<br />';
$s .= '<b>Errno:</b>'.$errorno.'<br />';
exit($s);
}
}
}
?>